Lower East Side Tenement Museum: See what life was like for immigrant families in the historic tenement house at 97 Orchard Street. Guided tours: $12. tenement.org.
National Museum of the American Indian: View contemporary and traditional Native American art and artifacts. Open daily, 10-5. Free. americanindian.si.edu.
Skyscraper Museum: Compare different plans for the WTC site memorial and learn how the tallest skyscrapers are constructed. Open Wed.-Sun., noon-6. $5. skyscraper.org.
New York City Police Museum: Set off sirens on a real squad car and take your own mug shot. Open Tues.-Sat., 10-5. Suggested donation: $5. nycpolicemuseum.org.
Museum of American Financial History: Make a personalized souvenir from a 19th-cent. NYSE ticker-tape machine. Open Tues.-Sat., 10-4. $2. financialhistory.org.
